676837943 has 2 divisors, whose sum is σ = 676837944. Its totient is φ = 676837942.

The previous prime is 676837937. The next prime is 676837979. The reversal of 676837943 is 349738676.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 676837943 - 2⁴ = 676837927 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670837943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338418971 + 338418972.

It is an arithmetic number, because the mean of its divisors is an integer number (338418972).

Almost surely, 2^676837943 is an apocalyptic number.

676837943 is a deficient number, since it is larger than the sum of its proper divisors (1).

676837943 is an equidigital number, since it uses as much as digits as its factorization.

676837943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4572288, while the sum is 53.

The square root of 676837943 is about 26016.1092978946. The cubic root of 676837943 is about 878.0007744349. Note that the first 3 decimals are identical.

The spelling of 676837943 in words is "six hundred seventy-six million, eight hundred thirty-seven thousand, nine hundred forty-three".